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-rw-r--r--drivers/tty/tty_port.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
index 189c2fa09c6d..2f1061a9d926 100644
--- a/drivers/tty/tty_port.c
+++ b/drivers/tty/tty_port.c
@@ -468,7 +468,8 @@ int tty_port_block_til_ready(struct tty_port *port,
DEFINE_WAIT(wait);
/* if non-blocking mode is set we can pass directly to open unless
- the port has just hung up or is in another error state */
+ * the port has just hung up or is in another error state.
+ */
if (tty_io_error(tty)) {
tty_port_set_active(port, 1);
return 0;
@@ -485,8 +486,9 @@ int tty_port_block_til_ready(struct tty_port *port,
do_clocal = 1;
/* Block waiting until we can proceed. We may need to wait for the
- carrier, but we must also wait for any close that is in progress
- before the next open may complete */
+ * carrier, but we must also wait for any close that is in progress
+ * before the next open may complete.
+ */
retval = 0;
@@ -503,7 +505,8 @@ int tty_port_block_til_ready(struct tty_port *port,
prepare_to_wait(&port->open_wait, &wait, TASK_INTERRUPTIBLE);
/* Check for a hangup or uninitialised port.
- Return accordingly */
+ * Return accordingly.
+ */
if (tty_hung_up_p(filp) || !tty_port_initialized(port)) {
if (port->flags & ASYNC_HUP_NOTIFY)
retval = -EAGAIN;
@@ -530,7 +533,8 @@ int tty_port_block_til_ready(struct tty_port *port,
finish_wait(&port->open_wait, &wait);
/* Update counts. A parallel hangup will have set count to zero and
- we must not mess that up further */
+ * we must not mess that up further.
+ */
spin_lock_irqsave(&port->lock, flags);
if (!tty_hung_up_p(filp))
port->count++;